A post by US President Donald Trump has been given a fact-check label by Twitter for the first time. Trump tweeted: "There is NO WAY (ZERO!) that Mail-In Ballots will be anything less than substantially fraudulent."

Facebook today announced the launch of its third-party fact-checking program in Bangladesh as part of its ongoing integrity efforts to reduce the spread of misinformation and improve the quality of the news people find online.

Conspiracy theories claiming 5G technology helps transmit coronavirus have been condemned by the scientific community. Videos have been shared on social media showing mobile phone masts on fire in Birmingham and Merseyside - along with the claims.

Twitter has told its employees to work from home to help stop the spread of the coronavirus. In a blog post, the social media giant said it was mandatory for staff in Hong Kong, Japan and South Korea to work remotely.